Stem cell therapy makes sterile mice fertile again
Stem cells from the ovaries of young mice were implanted into older, sterile mice. Six out of eight subsequently got pregnant.
Lab-grown stem cells could replace blood donations
Cancer patients could someday sidestep waiting for bone marrow transplants.
Lab-grown stem cells may carry an increased risk of cancer
Cutting-edge treatments can come with unexpected concerns.
Gene editing could lead to a vaccine for arthritis
It might just prevent pain without nasty side effects.
Mass-produced artificial blood is now a real possibility
It could prove a life-saver for people with rare blood types.
Scientists rejuvenate blood by reprogramming cells
The effort could fight leukemia and other blood conditions.
Researchers create first viable hybrid human-pig embryo
The breakthrough could one day lead to farm-grown organ transplants.
Obama's legacy: The most tech-savvy president
He opened the door for Silicon Valley nerdiness in the White House.
Scientists recreate the outer layer of the heart with stem cells
It could save heart attack patients and could lead to an entirely lab-grown human heart.